18263280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1553}}^1$

素因数の和:1583

約数の個数: 120

約数和(自身を含む): 65902032

約数和(自身を除く): 47638752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1553, 1680, 1960, 2352, 2940, 3106, 3920, 4659, 5880, 6212, 7765, 9318, 10871, 11760, 12424, 15530, 18636, 21742, 23295, 24848, 31060, 32613, 37272, 43484, 46590, 54355, 62120, 65226, 74544, 76097, 86968, 93180, 108710, 124240, 130452, 152194, 163065, 173936, 186360, 217420, 228291, 260904, 304388, 326130, 372720, 380485, 434840, 456582, 521808, 608776, 652260, 760970, 869680, 913164, 1141455, 1217552, 1304520, 1521940, 1826328, 2282910, 2609040, 3043880, 3652656, 4565820, 6087760, 9131640, 18263280]

約数ペア:

[(1, 18263280), (2, 9131640), (3, 6087760), (4, 4565820), (5, 3652656), (6, 3043880), (7, 2609040), (8, 2282910), (10, 1826328), (12, 1521940), (14, 1304520), (15, 1217552), (16, 1141455), (20, 913164), (21, 869680), (24, 760970), (28, 652260), (30, 608776), (35, 521808), (40, 456582), (42, 434840), (48, 380485), (49, 372720), (56, 326130), (60, 304388), (70, 260904), (80, 228291), (84, 217420), (98, 186360), (105, 173936), (112, 163065), (120, 152194), (140, 130452), (147, 124240), (168, 108710), (196, 93180), (210, 86968), (240, 76097), (245, 74544), (280, 65226), (294, 62120), (336, 54355), (392, 46590), (420, 43484), (490, 37272), (560, 32613), (588, 31060), (735, 24848), (784, 23295), (840, 21742), (980, 18636), (1176, 15530), (1470, 12424), (1553, 11760), (1680, 10871), (1960, 9318), (2352, 7765), (2940, 6212), (3106, 5880), (3920, 4659)]